Statements of Operations - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Net gain allocated from investment in Graham Alternative Investment Trading LLC:
Net realized gain on investment	$ 3,943,355	$ 4,461,361
Net increase (decrease) in unrealized appreciation on investment	948,246	(366,501)
Brokerage commissions and fees	(115,902)	(222,862)
Net gain allocated from investment in Graham Alternative Investment Trading LLC	4,775,699	3,871,998
Investment income:
Interest income	286,149	570,153
Expenses:
Incentive allocation	531,233	187
Advisory fees	422,787	435,127
Sponsor fees	227,766	234,265
Professional fees and other	133,265	181,804
Administrator's fees	36,459	37,873
Interest expense	6,745	6,246
Total expenses	1,358,255	895,502
Net investment loss allocated from investment in Graham Alternative Investment Trading LLC	(1,072,106)	(325,349)
Net income	$ 3,703,593	$ 3,546,649

Investment income (loss) net of operating and interest expense.

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Fees paid for professional services including but not limited to legal, audit, and tax services.

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Amount of expense for administrative services provided to the limited liability company (LLC) or limited partnership (LP) by the managing member or general partner, affiliate of managing member or general partner, or affiliate of LLC or LP, for example, but not limited to, salaries, rent, or overhead costs.

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Broker-dealers often use other brokers to execute trades on their behalf. The trading broker-dealer becomes a customer of the executing broker-dealer and pays a floor brokerage fee. Such fees are paid periodically either directly to the executing broker-dealer or through a clearing house.

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Amount of expense for incentive rights held by the managing member or general partner, of limited liability company (LLC) or limited partnership (LP).

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Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The sum of the realized and unrealized net gain (loss) on trading securities during the period.

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Amount of gain (loss) realized from securities classified as trading.

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